BOOKS RECOMMENDED. 115 



ZOOLOGY Cont'd. Price. 



D. Landsborough. *British Zoophytes, or Coral- 



lines. ....... 42 



Isaac Lea. *Conchology. 3 vols., folio. (Scarce.) 79 

 Joseph Leidy. Fresh Water Rhigopods of North 



America. ....... 79 



M. Roberts. Popular History of Mollusca. . 42 



E. B. Sowerby. * Popular British Conchology. . 42 

 G. B. Tryon. "^Structural and Systematic Con- 

 chology. 3 vols $20 oo 65 



Cheap edition. I vol. . . . 12 oo 65 



Manual of Conchology. (Now publishing.) 65 



A. E. Verrill. *Invertebrates of Vineyard Sound. 3 oo 



S. P. Woodward. *Recent and Fossil Shells. . 42 



Manual of Mollusca 4 



2. INSECTS ENTOMOLOGY. 



J. P. Ballard. ^Insect Lives ; or, Born in Prison. i oo 52 

 H. S. Conant. *Butterfly Hunters. . . . I 50 79 

 E. T. Cresson. Synopsis of the Hymenoptera of 



North America, 1887 3 oo 57 



P. M. Duncan. Transformations of Insects. . 2 oo 32 

 A. J. Ebell. *Insects and How to Observe Them. 30 79 



Canadian Entomologist. Monthly. . Per year. I oo 

 Edwards. *Butterflies of North America. Series 



i, $35.00 ; Series 2, $40.00; Series 3, in 



parts. ..... Each. 2 25 19 



G. H. French. Butterflies of the Eastern United 



States 2 oo 61 



T. W. Harris. ^Insects Injurious to Vegetation. 



$4.00 and . . . . . . 6 50 41 



H. A. Hazen. Synopsis of Neuroptera of North 



America. ....... 4 



John Lubbock. *Ants, Bees and Wasps. . . 2 oo 29 

 Le Conte and Horn. Classification of the Cole- 



optera. ....... 4 



C. J. Maynard. ^Butterflies of New England. . 7 oo 26 

 J. G. Morris. Synopsis of the Lepidoptera of 



North America. ..... 4 



A. S. Packard, Jr. Guide to the Study of Insects. 5 oo 38 



William Saunders. Insects Injurious to Fruits. . 



M. Van Beneden. Animal Parasites. . . . i 50 29 



